/**************************************************************************//**
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* @file pan_hal_wdt.c
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* @version V0.0.0
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* $Revision: 1 $
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* $Date: 23/09/10 $
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* @brief Panchip series WDT (Watchdog Timer) HAL source file.
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* @note
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* Copyright (C) 2023 Panchip Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "pan_hal.h"
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WDT_CallbackFunc wdt_callback[1];
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void HAL_WDT_Init(WDT_Init_Opt *wdt)
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{
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// Unlock Regs before Enable WDT as several WDT Regs are write-protected
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SYS_UnlockReg();
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//Enable WDT Clock
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CLK_APB1PeriphClockCmd(CLK_APB1Periph_WDT, ENABLE);
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// Select Clock Source
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CLK_SetWdtClkSrc(wdt->ClockSource);
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// Enable WDT, ENABLE Reset Mode, disable Wakeup Signal
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WDT_Open(wdt->Timeout, wdt->ResetDelay, wdt->ResetSwitch, wdt->WakeupSwitch);
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// Re-lock Regs
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SYS_LockReg();
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}
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void HAL_WDT_DeInit(void)
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{
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SYS_UnlockReg();
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// Disable WDT, need to ensure Regs are unlocked
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WDT_Close();
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//Disable WDT Clock
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CLK_APB1PeriphClockCmd(CLK_APB1Periph_WDT, DISABLE);
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// Re-lock Regs
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SYS_LockReg();
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}
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void HAL_WDT_Feed(WDT_Init_Opt *wdt)
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{
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SYS_UnlockReg();
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WDT_ResetCounter();
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SYS_LockReg();
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}
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void HAL_WDT_Init_INT(WDT_Interrupt_Opt *opt)
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{
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wdt_callback[0] = opt->CallbackFunc;
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// Unlock Regs
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SYS_UnlockReg();
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WDT_EnableInt();
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NVIC_EnableIRQ(WDT_IRQn);
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// Re-Lock Regs
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SYS_LockReg();
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}
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void HAL_WDT_DeInit_INT(void)
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{
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// Unlock Regs
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SYS_UnlockReg();
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wdt_callback[0] = NULL;
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WDT_DisableInt();
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// Re-Lock Regs
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SYS_LockReg();
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}
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void WDT_IRQHandler(void)
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{
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// Clear Timeout Int Flag
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WDT_ClearTimeoutIntFlag();
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if (wdt_callback[0] != NULL)
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{
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wdt_callback[0]();
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}
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}
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